IPX8 Waterproof The TOZO T10 wireless in-ear headphones feature IPX8 waterproof nano coating on their internal components, which provides strong protection against sweat and raindrops, extending the life of the earbuds. They are suitable for running, swimming, cycling and other sports. UNMATCHED SOUND QUALITY - With the developed 8mm drivers and TOZO OrigX 2.0 acoustic technology, our headphones enhance the bass and ensure vocals and treble are reproduced naturally and in detail, creating CD-quality sound. Get ready for the ultimate sound experience. [55 Hours of Battery Life] The in-ear Bluetooth headset gives you the freedom to listen to you thousands of songs. One charge is enough for 10 hours, and the total playtime with the charging case is 55 hours. In addition, it supports wireless charging, which allows you to easily charge it without cable or plug. Customize your listening experience by adjusting certain frequencies to give you listening pleasure and you can adjust the touch settings yourself. [Portability & Lightweight] TOZO T10 wireless earbuds are small and lightweight and have a compact housing that gives you a whole new comfort and won't weigh down your ears when you enjoy music with your headphones on the go. Besides, it comes with a lanyard so you can easily carry it with you without worrying about it taking up space in your pocket or backpack.